Vacuum cleaner



FIG. 1 is a front perspective view of a vacuum cleaner showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left-side view thereof;

FIG. 4 is a right-side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a right-side view in an alternate position; and,

FIG. 8 is a front perspective view thereof.

The broken lines in the figures show portions of the vacuum cleaner which form no part of the claimed design. 

CLAIM We claim the ornamental design for a vacuum cleaner, as shown and described. 